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Related papers: BaV3O8: A possible Majumdar-Ghosh system with S=1/…

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A detailed zero and transverse field (ZF&TF) muon spin rotation (muSR) investigation of magnetism and the magneto-electric coupling in Cu2OSeO3 is reported. An internal magnetic field B_int(T=0) = 85.37(25) mT was found, in agreement with a…

Strongly Correlated Electrons · Physics 2015-05-28 A. Maisuradze , Z. Guguchia , B. Graneli , H. M. Ronnow , H. Berger , H. Keller

We describe neutron scattering experiments performed to investigate the magnetic order and dynamics of half-doped La1.5Sr0.5CoO4. This layered perovskite exhibits a near-ideal checkerboard pattern of Co2+/Co3+ charge order at temperatures…

Strongly Correlated Electrons · Physics 2009-10-19 L. M. Helme , A. T. Boothroyd , R. Coldea , D. Prabhakaran , C. D. Frost , D. A. Keen , L. P. Regnault , P. G. Freeman , M. Enderle , J. Kulda

Geometric magnetic frustration (GMF) has attracted substantial interest due to the exotic physics and rich phase diagrams revealed by the cancellation of normally-dominant magnetic interactions, giving impetus for the search for novel…

Unlike most quantum systems which rapidly become incoherent as temperature is raised, strong correlations persist at elevated temperatures in $S=1/2$ dimer magnets, as revealed by the unusual asymmetric lineshape of their excitations at…

Strongly Correlated Electrons · Physics 2016-07-20 E. S. Klyushina , A. C. Tiegel , B. Fauseweh , A. T. M. N. Islam , J. T. Park , B. Klemke , A. Honecker , G. S. Uhrig , S. R. Manmana , B. Lake

We investigate the structural and magnetic properties of the new quantum magnet BaCuTe$_2$O$_6$. This compound is synthesized for the first time in powder and single crystal form. Synchrotron X-ray and neutron diffraction reveal a cubic…

Strongly Correlated Electrons · Physics 2021-03-17 A. Samartzis , D. Khalyavin , A. T. M. N. Islam , S. Chillal , K. Siemensmeyer , K. Prokes , D. J. Voneshen , A. Senyshyn , B. Lake

The temperature dependence of magnetic susceptibility of the Bi$_{2-y}$Sr$_{y}$Ir$_{2}$O$_{7}$ system was studied from 2 to 300 K. According to these measurements, the solid solution $(0\leq y\leq 0.9)$ does not show any magnetic…

Materials Science · Physics 2015-06-12 C. Cosio-Castaneda , P. de la Mora , F. Morales , R. Escudero , G. Tavizon

The title compound belongs to a wide group of quasi-one-dimensional (Q1D) antiferromagnets (AF) and its Co2+ ions form Q1D screw-chains along the c-axis. We here present the first investigation of the microscopic magnetic nature of a single…

Strongly Correlated Electrons · Physics 2013-07-30 M. Mansson , K. Prsa , J. Sugiyama , H. Nozaki , A. Amato , K. Omura , S. Kimura , M. Hagiwara

The frustrated pyrochlore antiferromagnet Gd$_{2}$Ti$_{2}$O$_{7}$ has an unusual partially-ordered magnetic structure at the lowest measurable temperatures. This structure is currently believed to involve four magnetic propagation vectors…

Non-stoichiometric NaxCoO2 (0.5 < x < 1) consists of CoO2 layers made up of edge-sharing CoO6 octahedra, and exhibits strongly anisotropic magnetic susceptibilities as well as metallic properties. A modified Curie-Weiss law was proposed for…

Strongly Correlated Electrons · Physics 2007-05-23 M. -H. Whangbo , D. Dai , R. K. Kremer

We report the results of ac and dc magnetic susceptibility (chi) and electrical resistivity (rho) measurements on the single crystals of Er2PdSi3, crystallizing in an AlB2-derived hexagonal structure, for two orientations H//[0001] and…

Strongly Correlated Electrons · Physics 2009-11-10 K. K. Iyer , P. L. Paulose , E. V. Sampathkumaran , M. Frontzek , A. Kreyssig , M. Doerr , M. Loewenhaupt , I. Mazilu , G. Behr , W. Loeser

The results of x-ray diffraction, and ac and dc magnetization as a function of temperature are reported for a new class of spin-chain oxides, Ca3Co1+xIr1-xO6. While the x= 0.0, 0.3, 0.5 and 1.0 are found to form in the K4CdCl6-derived…

Materials Science · Physics 2007-05-23 S. Rayaprol , Kausik Sengupta , E. V. Sampathkumaran

Materials with a 5d4 electronic configuration are generally considered to have a nonmagnetic ground state (J=0). Interestingly, Sr2YIrO6 (Ir5+ having 5d4 electronic configuration) was recently reported to exhibit long-range magnetic order…

We report the results of measurements of the dc magnetic susceptibility chi(T) and of the 23Na nuclear magnetic resonance (NMR) response of NaVGe2O6, a material in which the V ions form a network of interacting one-dimensional spin S=1…

Other Condensed Matter · Physics 2007-05-23 B. Pedrini , J. L. Gavilano , D. Rau , H. R. Ott , S. M. Kazakov , J. Karpinski , S. Wessel

We report observation of substantial thermal relaxation in single crystal of charge ordered system Pr$_{0.63}$Ca$_{0.37}$MnO$_3$ in an applied magnetic field of H = 8T. The relaxation is observed when the temperature is scanned in presence…

Strongly Correlated Electrons · Physics 2009-10-31 A. K. Raychaudhuri , Ayan Guha , I. Das , R. Rawat , C. N. R. Rao

We have investigated the structural and magnetic properties of a new cubic spinel LiZn$_{2}$V$_{3}$O$_{8}$ (LZVO) through x-ray diffraction, dc and ac susceptibility, magnetic relaxation, aging, memory effect, heat capacity and $^{7}$Li…

Strongly Correlated Electrons · Physics 2020-01-01 S. Kundu , T. Dey , A. V. Mahajan , N. Büttgen

Superconductivity, magnetic order, and quadrupolar order have been investigated in the filled skutterudite system Pr$_{1-x}$Nd$_{x}$Os$_4$Sb$_{12}$ as a function of composition $x$ in magnetic fields up to 9 tesla and at temperatures…

Strongly Correlated Electrons · Physics 2015-05-19 P. -C. Ho , T. Yanagisawa , W. M. Yuhasz , A. A. Dooraghi , C. C. Robinson , N. P. Butch , R. E. Baumbach , M. B. Maple

Dynamic magnetic susceptibility, $\chi$, was studied in several intermetallic materials exhibiting ferromagnetic, antiferromagnetic and metamagnetic transitions. Precise measurements by using a 14 MHz tunnel diode oscillator (TDO) allow…

Strongly Correlated Electrons · Physics 2009-02-02 M. D. Vannette , A. Safa-Sefat , S. Jia , S. A. Law , G. Lapertot , S. L. Bud'ko , P. C. Canfield , J. Schmalian , R. Prozorov

A reentrant behavior of temperature dependent magnetic ac-susceptibility (or excess susceptibility(ES)) at lower temperature is observed in a composite made of superconductor $La_{1.85}Sr_{0.15}CuO_4$ (LCu) and an insulating paramagnetic…

Strongly Correlated Electrons · Physics 2024-07-02 Biswajit Dutta , A. Banerjee

We present experimental evidence for small-moment magnetism below the ferromagnetic transition temperature (T_c3 = 183 K) in the quasi-one-dimensional metal BaIrO_3. Further, we identify rearrangement of the local magnetic moment…

Strongly Correlated Electrons · Physics 2009-11-11 M. L. Brooks , S. J. Blundell , T. Lancaster , W. Hayes , F. L. Pratt , P. P. C. Frampton , P. D. Battle

Transport and magnetic properties of a 4$f^{2}$ fcc lattice compound, PrCdNi$_4$, were studied. The magnetic susceptibility, $\chi(T)$, follows the Curie--Weiss law from 300 K to 20 K, as expected for a free Pr$^{3+}$ ion. As the…